degree
Topographic mapping.
None
China - Hong Kong - onshore and offshore.
Data Source: EPSG v11.016 2024-08-31
Datum: Hong Kong 1963
Coordinate System: ellipsoidal
Projection: Undefined
Geodetic CRS: Undefined
GEOGCRS["Hong Kong 1963",
DATUM["Hong Kong 1963",
ELLIPSOID["Clarke 1858",20926348,294.260676369261,
LENGTHUNIT["Clarke's foot",0.3047972654]]],
PRIMEM["Greenwich",0,
ANGLEUNIT["degree",0.0174532925199433]],
CS[ellipsoidal,2],
AXIS["geodetic latitude (Lat)",north,
ORDER[1],
ANGLEUNIT["degree",0.0174532925199433]],
AXIS["geodetic longitude (Lon)",east,
ORDER[2],
ANGLEUNIT["degree",0.0174532925199433]],
USAGE[
SCOPE["Topographic mapping."],
AREA["China - Hong Kong - onshore and offshore."],
BBOX[22.13,113.76,22.58,114.51]],
ID["EPSG",4738]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "GeographicCRS",
"name": "Hong Kong 1963",
"datum": {
"type": "GeodeticReferenceFrame",
"name": "Hong Kong 1963",
"ellipsoid": {
"name": "Clarke 1858",
"semi_major_axis": {
"value": 20926348,
"unit": {
"type": "LinearUnit",
"name": "Clarke's foot",
"conversion_factor": 0.3047972654
}
},
"semi_minor_axis": {
"value": 20855233,
"unit": {
"type": "LinearUnit",
"name": "Clarke's foot",
"conversion_factor": 0.3047972654
}
}
}
},
"coordinate_system": {
"subtype": "ellipsoidal",
"axis": [
{
"name": "Geodetic latitude",
"abbreviation": "Lat",
"direction": "north",
"unit": "degree"
},
{
"name": "Geodetic longitude",
"abbreviation": "Lon",
"direction": "east",
"unit": "degree"
}
]
},
"scope": "Topographic mapping.",
"area": "China - Hong Kong - onshore and offshore.",
"bbox": {
"south_latitude": 22.13,
"west_longitude": 113.76,
"north_latitude": 22.58,
"east_longitude": 114.51
},
"id": {
"authority": "EPSG",
"code": 4738
}
}
{'crs_wkt': 'GEOGCRS["Hong Kong 1963",DATUM["Hong Kong 1963",ELLIPSOID["Clarke '
'1858",20926348,294.260676369261,LENGTHUNIT["Clarke\'s '
'foot",0.3047972654]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[ellipsoidal,2],AXIS["geodetic '
'latitude '
'(Lat)",north,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic '
'longitude '
'(Lon)",east,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]],USAGE[SCOPE["Topographic '
'mapping."],AREA["China - Hong Kong - onshore and '
'offshore."],BBOX[22.13,113.76,22.58,114.51]],ID["EPSG",4738]]',
'geographic_crs_name': 'Hong Kong 1963',
'grid_mapping_name': 'latitude_longitude',
'horizontal_datum_name': 'Hong Kong 1963',
'inverse_flattening': 294.26067636926064,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'reference_ellipsoid_name': 'Clarke 1858',
'semi_major_axis': 6378293.645208759,
'semi_minor_axis': 6356617.987679838}